Home / 267,031.43-400,612.67-80,042.75

Finding the Fourth Proportional to 267,031.43, 400,612.67 and 80,042.75

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Solution

The fourth proportional to 267,031.43, 400,612.67 and 80,042.75 is: 120,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,031.43 : 400,612.67 = 80,042.75 : x
  2. Step 2: Convert to fraction form
    267,031.43/400,612.67 = 80,042.75/x
  3. Step 3: Cross multiply
    267,031.43x = 400,612.67 × 80,042.75
  4. Step 4: Simplify right side
    267,031.43x = 32,066,139,791.64
  5. Step 5: Solve for x
    x = 32,066,139,791.64/267,031.43
  6. Step 6: Final answer
    x = 120,083.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.